5 Simple Techniques For human anatomy and physiology definition

arteriovenous anastomosis – short vessel connecting an arteriole directly to a venule and bypassing the capillary beds.

appendicular skeleton – all bones of your higher and decrease limbs, moreover the girdle bones that connect each limb towards the axial skeleton.

blood circulation – motion of blood through a vessel, tissue, or organ that is frequently expressed regarding volume for each device of time.

frequent iliac vein – certainly one of a pair of veins that flows into the inferior vena cava at the extent of L5; the still left common iliac vein drains the sacral area; divides into exterior and inside iliac veins close to the inferior portion of the sacroiliac joint

Safety of the heart, lungs, and other organs and constructions from the upper body makes a dilemma fairly diverse from that of your central anxious system. These organs, the perform of which requires movement, growth, and contraction, needs to have a versatile and elastic protecting covering. Such a masking is furnished by the bony thoracic basket, or rib cage, which varieties the skeleton with the wall with the chest, or thorax.

coronary sinus – huge, skinny-walled vein to the posterior area of your heart that lies inside the atrioventricular sulcus and drains the heart myocardium directly into the right atrium.

arrector pili – smooth muscle mass which is activated in reaction to external stimuli that pull on hair follicles human anatomy & physiology and make the hair “stand up”.

coracoid system – brief, hook-like procedure that projects anteriorly and laterally with the exceptional margin on the scapula.

aortic arch – arc that connects the ascending aorta on the descending aorta; ends for the intervertebral disk among the fourth and fifth thoracic vertebrae.

diploid – problem marked from the existence of a double enhance of genetic product (two sets of chromosomes, one particular established inherited from Every of two dad and mom).

apneustic centre – community of neurons throughout the pons that encourage the neurons during the dorsal respiratory team; controls the depth of inspiration.

anterior speaking artery – anastomosis of the ideal and remaining inside carotid arteries; provides blood towards the brain.

cricoid cartilage – percentage of the larynx composed of a hoop of cartilage with a large posterior region in addition to a thinner anterior area; attached into the oesophagus.

adaptive immune reaction – reasonably slow but pretty distinct click here and productive immune reaction managed by lymphocytes.

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